. >> simon: earlier this year, they made their longest flights yet, from switzerland to spain, and then across the mediterranean to morocco and back. for the flight around the world, they will be in the air 20 days and 20 nights... >> bonjour, le maroc! ( cheers and applause ) >> simon: ...with several stops so the pilots can take turns. flying over the swiss alps is pleasant enough, but think about it-- i can't move, i can't stand up. and if you want to think about a really pleasant thought, the toilet is built into the seat so you've got to figure out how to do that one way or another. andre has already done this for 72 hours, but when the time comes for the big flight, it'll take five days and five nights over the pacific. nothing like that has ever been done in a plane before. and there is nothing they can do now to make it less dangerous. the plane is so light, a bad storm could dump it into the pacific. it likes the sun but isn't fond of clouds. the cockpit is an oven by day and an ice box by night. and the plane itself can be temperamental. it flies well at 30 miles an hour, but